20836735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 6742145

約数列:

[1, 5, 23, 37, 59, 83, 115, 185, 295, 415, 851, 1357, 1909, 2183, 3071, 4255, 4897, 6785, 9545, 10915, 15355, 24485, 50209, 70633, 112631, 181189, 251045, 353165, 563155, 905945, 4167347, 20836735]

約数ペア:

[(1, 20836735), (5, 4167347), (23, 905945), (37, 563155), (59, 353165), (83, 251045), (115, 181189), (185, 112631), (295, 70633), (415, 50209), (851, 24485), (1357, 15355), (1909, 10915), (2183, 9545), (3071, 6785), (4255, 4897)]